float sinvalsec, cosvalsec;
float angle_sec, angle_min, angle_heu;
float sinvalmin, cosvalmin;
float sinvalheu, cosvalheu;
float rayon_sec = 160.0;
float rayon_min = 130.0;
float rayon_heu = 100.0;
int sec = 0;
int minut = 0;  
int heure = 0;
float xsec, ysec, xmin, ymin, xheu, yheu;

void setup(){
  frameRate(1);
  size(400, 400);
  background(0);
  noStroke();
  smooth();
}

void draw(){

  noStroke();
  fill(0,4);
  rect(0,0,width,height);
  
  noFill();
  stroke(25);
  ellipse(width/2, height/2, 320, 320);
  stroke(50);
  ellipse(width/2, height/2, 260, 260);
  stroke(75);
  ellipse(width/2, height/2, 200, 200);
  
  sec = second();
  minut = minute();
  heure = hour();
  
  //définit les points de la forme
  // le point des secondes
  angle_sec = (3 * HALF_PI) + (second()*PI/30);
  sinvalsec = sin (angle_sec);
  cosvalsec = cos (angle_sec);
  xsec = width/2 + (cosvalsec * rayon_sec);
  ysec = height/2 + (sinvalsec * rayon_sec);
  // le point des heures
  angle_heu = (3 * HALF_PI) + (hour()*PI/6);
  sinvalheu = sin (angle_heu);
  cosvalheu = cos (angle_heu);
  xheu = width/2 + (cosvalheu * rayon_heu);
  yheu = height/2 + (sinvalheu * rayon_heu);
  // le point des minutes
  angle_min = (3 * HALF_PI) + (minute() * PI/30);
  sinvalmin = sin (angle_min);
  cosvalmin = cos (angle_min);
  xmin = width/2 + (cosvalmin * rayon_min);
  ymin = height/2 + (sinvalmin * rayon_min);
 
  stroke(255); 
  fill(255, 51);  
  beginShape();
  vertex(xsec, ysec);
  vertex(xheu, yheu);
  vertex(xmin, ymin);
  endShape(CLOSE);
}